Update madewithlove/license-checker requirement from ^1.6 to ^2.1

Updates the requirements on [madewithlove/license-checker](https://github.com/madewithlove/license-checker-php) to permit the latest version.
- [Release notes](https://github.com/madewithlove/license-checker-php/releases)
- [Commits](madewithlove/license-checker-php@v1.6...v2.1)

---
updated-dependencies:
- dependency-name: madewithlove/license-checker
  dependency-version: '2.1'
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

composer.json

@@ -25,7 +25,7 @@
     },
     "require-dev": {
         "laravel/pint": "^1.0",
-        "madewithlove/license-checker": "^1.6",
+        "madewithlove/license-checker": "^2.1",
         "mockery/mockery": "^1.6",
         "pestphp/pest": "^3.0",
         "phpstan/phpstan": "^2.1",